Floor panel



FIG. 1 is a front view of a floor panel;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof, with a right side view being a mirror image of the left side view; and,

FIG. 4 is a top plan view thereof, with a bottom plan view being a mirror image of the top plan view. 

The ornamental design for a floor panel, as shown and described. 